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Overwhelming evidence indicates that eukaryotic photosynthesis originated from endosymbiosis of cyanobacterial-like organisms, which ultimately became chloroplasts (Margulis, 1992). So the evolutionary origin of photosynthesis is to be found in the bacterial domain.
Learn more:Overwhelming evidence indicates that eukaryotic photosynthesis originated from endosymbiosis of cyanobacterial-like organisms, which ultimately became chloroplasts (Margulis, 1992). So the evolutionary origin of photosynthesis is to be found in the bacterial domain.
pmc.ncbi.nlm.nih.gov/articles/PMC2949000/The appearance of photosynthetic eukaryotes (algae and plants) dramatically altered the Earth's ecosystem, making possible all vertebrate life on land, including humans. Dating algal origin is, however, frustrated by a meager fossil record.
academic.oup.com/mbe/article/21/5/809/1014069Since all eukaryotes have mitochondria, but only photosynthetic eukaryotes have chloroplasts, the principle of parsimony (the idea that the explanation requiring the fewest steps is most likely correct) argues that first, an ancestral eukaryote engulfed the bacteria (which led to mitochondria).
organismalbio.biosci.gatech.edu/biodiversity/eukar…An uptake of a primitive cyanobacterium, involving gene transfers to the nucleus again, led to photosynthetic eukaryotes. Goksøyr assumed that coenocytic systems occurred several times from different prokaryotic forms, making the origin of eukaryotes a non-monophyletic one [ 89 ].
pmc.ncbi.nlm.nih.gov/articles/PMC4571569/The Endosymbiotic Theory posits that certain organelles in eukaryotic cells, specifically mitochondria and chloroplasts, originated from free-living prokaryotic cells that were engulfed by ancestral eukaryotic cells, leading to a mutually beneficial symbiotic relationship.
biologynotesonline.com/endosymbiotic-theory-origi…Early Evolution of Photosynthesis - PMC - PubMed …
Overwhelming evidence indicates that eukaryotic photosynthesis originated from endosymbiosis of cyanobacterial-like organisms, which ultimately became chloroplasts (Margulis, 1992). So the evolutionary origin of photosynthesis is …
Other content from pmc.ncbi.nlm.nih.govMolecular Timeline for the Origin of Photosynthetic Eukaryotes ...
See more on academic.oup.comThe photosynthetic eukaryotes (i.e., algae and plants) define a vast assemblage of autotrophs (Graham and Wilcox 2000). The emergence dates of these taxa have proven difficult to establish solely on the basis of fossil or biomarker evidence (Knoll 1992). Recent phylogenetic data suggest that the different algal groups diverged …- Author: Hwan Su Yoon, Jeremiah D. Hackett, Claudia Ciniglia, Gabriele Pinto, Debashish Bhattacharya
- Estimated Reading Time: 9 mins
- Publish Year: 2004
- Published: May 1, 2004
Eukaryotes and their Origins | Organismal Biology
Since all eukaryotes have mitochondria, but only photosynthetic eukaryotes have chloroplasts, the principle of parsimony (the idea that the explanation requiring the fewest steps is most likely correct) argues that first, an ancestral eukaryote …
Endosymbiotic theories for eukaryote origin - PMC - PubMed …
An uptake of a primitive cyanobacterium, involving gene transfers to the nucleus again, led to photosynthetic eukaryotes. Goksøyr assumed that coenocytic systems occurred several times …
Endosymbiotic Theory – Origin of the …
Mar 29, 2024 · The Endosymbiotic Theory posits that certain organelles in eukaryotic cells, specifically mitochondria and chloroplasts, originated from free-living prokaryotic cells that …
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Thinking twice about the evolution of photosynthesis - PMC
Here, I review and scrutinize three widely accepted ideas that underpin the current study of the evolution of photosynthesis: first, that the photochemical reaction centres used in anoxygenic …
How did The First Photosynthetic Plants Get …
Oct 16, 2015 · It is generally thought that chloroplasts originated from the symbiosis of a cyanobacterium in a eukaryotic cell, from which the first plant evolved one to two billion years ago. However, details of this ancient first plant …
Evolution of Photosynthetic Eukaryotes; Current Opinion, …
There are about ten lineages of photosynthetic eukaryotes, including Chloroplastida, Rhodophyta, and Cryptophyta. Mechanistically, eukaryotic photosynthesis arose via a symbiotic merger …
3D internal structure of primitive plant cell | The …
Oct 6, 2015 · This research will deepen our understanding of origins of photosynthetic plants by revealing the microstructures of other eukaryotic cells (cells with a nucleus or other membrane-bound structures).
Back to primary endosymbiosis: from plastids to artificial ...
Jul 1, 2023 · Two primary endosymbiotic events are responsible for photosynthesis in eukaryotes. The earlier event spawned the Archaeplastida, a monophyletic group comprised of …
Molecular Evidence for the Early Evolution …
Sep 8, 2000 · To probe early evolutionary history of photosynthesis, we obtained new sequence information of a number of photosynthesis genes from the green sulfur …
Contemplating the First Plantae | Science - AAAS
Feb 17, 2012 · The cells of photosynthetic eukaryotes such as plants and algae contain organelles, called plastids or chloroplasts, responsible for photosynthesis. Plastids contain …
Monophyly of Primary Photosynthetic Eukaryotes: Green Plants, …
Jul 26, 2005 · Our phylogenomic analyses support the idea that Plantae are monophyletic and that plastids form a monophyletic group to the exclusion of Cyanobacteria, providing …
Ultra-high voltage electron microscopy of primitive algae …
Oct 6, 2015 · A heterotrophic organism 1-2 billion years ago enslaved a cyanobacterium to become the first photosynthetic eukaryote, and has diverged globally. The primary …
Evolution of Photosynthetic Eukaryotes; Current Opinion, …
Dec 3, 2020 · There are about ten lineages of photosynthetic eukaryotes, including Chloroplastida, Rhodophyta, and Cryptophyta. Mechanistically, eukaryotic photosynthesis …
The Chloroplast and Photosynthetic Eukaryotes | SpringerLink
May 30, 2019 · This chapter deals with an ancient endosymbiosis that gave rise to the chloroplast, the photosynthetic organelle of eukaryotes. The evolution of the chloroplast and …
Photosynthesis arose early in Earth’s history, and the earliest forms of photosynthetic life were almost certainly anoxy-genic (non-oxygen evolving). The invention of oxygenic photosynthesis...
Monophyly of Primary Photosynthetic Eukaryotes: Green Plants, …
Jul 26, 2005 · Our phylogenomic analyses support the idea that Plantae are monophyletic and that plastids form a monophyletic group to the exclusion of Cyanobacteria, providing …
The purple heart of photosynthesis - Nature
Mar 26, 2014 · The structure of a photosynthetic complex from a purple bacterium reveals a new class of light-harvesting protein and the channels that might allow electron-transporting …
Chimeric origins and dynamic evolution of central carbon ... - Nature
5 days ago · The origin of eukaryotes represents a defining event in the history of life that occurred between 2.6 and 1.2 billion years ago (Ga) 1,2,3,4,5, possibly coinciding with rising …
Mutants deficient in photosynthesis can be identified because their barcodes will be less abundant after photosynthetic growth than they are after heterotrophic growth. b , Biological replicates …
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